Pneumatic spreader, e.g., for seeds, has hopper which feeds dosing unit dispensing material via paddle wheel into tube connected to compressed air supply which blows it up to spray head

摘要

The pneumatic spreader has a hopper (1) which feeds a dosing unit (5). This dispenses material via a tube (9) containing a paddle wheel into a tube connected to a compressed air supply (11). It is then blown up to a spray head (12) with dispensing nozzles (14).